Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermodynamics Laws & Specific Heats of GasesMedium2 minQB
PhysicsMediumassertion reason
Assertion: The gas escaping from an aerosol spray can feels cold.
Reason: The gas expands rapidly through the nozzle, nearly adiabatically, and does work at the cost of its internal energy.
Options:
Answer:
A
Solution:
The expansion is too fast for heat to flow in. The gas does work, so its internal energy and temperature fall. The Reason explains the Assertion. A.
Subject:PhysicsTopic:Heat & ThermoSubtopic:Thermodynamics Laws & Specific Heats of Gases
⏱ 2mℹ️ Source: QB
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